Home / 729,017.75-1,006,044.51-427,211.75

Finding the Fourth Proportional to 729,017.75, 1,006,044.51 and 427,211.75

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Solution

The fourth proportional to 729,017.75, 1,006,044.51 and 427,211.75 is: 589,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,017.75 : 1,006,044.51 = 427,211.75 : x
  2. Step 2: Convert to fraction form
    729,017.75/1,006,044.51 = 427,211.75/x
  3. Step 3: Cross multiply
    729,017.75x = 1,006,044.51 × 427,211.75
  4. Step 4: Simplify right side
    729,017.75x = 429,794,035,694.99
  5. Step 5: Solve for x
    x = 429,794,035,694.99/729,017.75
  6. Step 6: Final answer
    x = 589,552.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.